Liobikienė, G., J. Mandravickaitė, D. Krepštulienė, J. Bernatonienė, and A. Savickas. “Lithuanian Achievements in Terms of CO2 Emissions Based on Production Side in the Context of the EU-27”. Technological and Economic Development of Economy, vol. 23, no. 3, May 2017, pp. 483-0, doi:10.3846/20294913.2015.1056278.